Finding the Fourth Proportional to 207.16, 311.18 and 177.08
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Solution
The fourth proportional to 207.16, 311.18 and 177.08 is: 265.99
Step by Step Solution
- Step 1: Write the proportion equation
207.16 : 311.18 = 177.08 : x - Step 2: Convert to fraction form
207.16/311.18 = 177.08/x - Step 3: Cross multiply
207.16x = 311.18 × 177.08 - Step 4: Simplify right side
207.16x = 55,101.31 - Step 5: Solve for x
x = 55,101.31/207.16 - Step 6: Final answer
x = 265.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.